optimize: 优化自动更新相关代码

cmd/agent/monitor/monitor.go

@@ -37,6 +37,7 @@ var (
 	cachedBootTime                                                             time.Time
 )
 
+// GetHost 获取主机硬件信息
 func GetHost(agentConfig *model.AgentConfig) *model.Host {
 	hi, _ := host.Info()
 	var cpuType string
@@ -155,6 +156,7 @@ func GetState(agentConfig *model.AgentConfig, skipConnectionCount bool, skipProc
 	}
 }
 
+// TrackNetworkSpeed NIC监控，统计流量与速度
 func TrackNetworkSpeed(agentConfig *model.AgentConfig) {
 	var innerNetInTransfer, innerNetOutTransfer uint64
 	nc, err := net.IOCounters(true)

cmd/agent/monitor/myip.go

@@ -51,6 +51,7 @@ var (
 	httpClientV6            = utils.NewSingleStackHTTPClient(time.Second*20, time.Second*5, time.Second*10, true)
 )
 
+// UpdateIP 每30分钟汇报一次IP地址信息
 func UpdateIP() {
 	for {
 		ipv4 := fetchGeoIP(geoIPApiList, false)